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我们曾在体外用离体牙形成了电化学人工龋,但是由于电解液是酸性的0.1M乳酸羧甲基纤维素钠液,本身对牙齿有脱矿作用。为排除酸对牙齿脱矿的影响,验证电化学的氧化反应在电化学人工龋形成过程中的决定性作用:①用0.1M氯化钾中性溶液代替0.1M乳酸羧甲基纤维素钠溶液作电解液,按照以前实验相同的方法,也形成了电化学人工龋;②通过对磨片的观察,对二者作电解液所形成的电化学人工龋的脱矿程度进行了比较,经统计分析二者脱矿程度上无显著差异。实验结果说明酸在电化学人工龋形成过程中不起主要作用、电化学的氧化反应才是牙齿脱矿并形成类龋洞的动力。
We have electrochemically artificial caries in vitro using isolated teeth, but since the electrolyte is an acidic 0.1 M sodium lactate carboxymethylcellulose solution, itself has demineralization on the teeth. In order to rule out the effect of acid on tooth demineralization, the decisive role of electrochemical oxidation in the formation of electrochemical artificial caries was verified: ① 0.1 M potassium chloride neutral solution was used instead of 0.1 M sodium lactate carboxymethylcellulose Solution as the electrolyte, in accordance with the same method as the previous experiment, but also the formation of electrochemical artificial caries; ② through the observation of the disc, the electrochemical dissolution of the two artificial human caries demineralized degree were compared by Statistical analysis of the degree of demineralization no significant difference. The experimental results show that acid can not play a major role in the formation of electrochemical artificial caries. Electrochemical oxidation is the motivation for tooth demineralization and formation of cavities.